?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
[wrt350n-kernel.git] / drivers / net / wireless / rt2x00 / rt61pci.c
blob93ea212fedd51358f7e893688186895e7f858c58
1 /*
2 Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
3 <http://rt2x00.serialmonkey.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the
17 Free Software Foundation, Inc.,
18 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21 /*
22 Module: rt61pci
23 Abstract: rt61pci device specific routines.
24 Supported chipsets: RT2561, RT2561s, RT2661.
25 */
26
27 #include <linux/delay.h>
28 #include <linux/etherdevice.h>
29 #include <linux/init.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/pci.h>
33 #include <linux/eeprom_93cx6.h>
34
35 #include "rt2x00.h"
36 #include "rt2x00pci.h"
37 #include "rt61pci.h"
38
39 /*
40 * Register access.
41 * BBP and RF register require indirect register access,
42 * and use the CSR registers PHY_CSR3 and PHY_CSR4 to achieve this.
43 * These indirect registers work with busy bits,
44 * and we will try maximal REGISTER_BUSY_COUNT times to access
45 * the register while taking a REGISTER_BUSY_DELAY us delay
46 * between each attampt. When the busy bit is still set at that time,
47 * the access attempt is considered to have failed,
48 * and we will print an error.
49 */
50 static u32 rt61pci_bbp_check(struct rt2x00_dev *rt2x00dev)
51 {
52 u32 reg;
53 unsigned int i;
54
55 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
56 rt2x00pci_register_read(rt2x00dev, PHY_CSR3, &reg);
57 if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY))
58 break;
59 udelay(REGISTER_BUSY_DELAY);
60 }
61
62 return reg;
63 }
64
65 static void rt61pci_bbp_write(struct rt2x00_dev *rt2x00dev,
66 const unsigned int word, const u8 value)
67 {
68 u32 reg;
69
70 /*
71 * Wait until the BBP becomes ready.
72 */
73 reg = rt61pci_bbp_check(rt2x00dev);
74 if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
75 ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
76 return;
77 }
78
79 /*
80 * Write the data into the BBP.
81 */
82 reg = 0;
83 rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
84 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
85 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
86 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
87
88 rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg);
89 }
90
91 static void rt61pci_bbp_read(struct rt2x00_dev *rt2x00dev,
92 const unsigned int word, u8 *value)
93 {
94 u32 reg;
95
96 /*
97 * Wait until the BBP becomes ready.
98 */
99 reg = rt61pci_bbp_check(rt2x00dev);
100 if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
101 ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
102 return;
103 }
104
105 /*
106 * Write the request into the BBP.
107 */
108 reg = 0;
109 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
110 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
111 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
112
113 rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg);
114
115 /*
116 * Wait until the BBP becomes ready.
117 */
118 reg = rt61pci_bbp_check(rt2x00dev);
119 if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
120 ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
121 *value = 0xff;
122 return;
123 }
124
125 *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
126 }
127
128 static void rt61pci_rf_write(struct rt2x00_dev *rt2x00dev,
129 const unsigned int word, const u32 value)
130 {
131 u32 reg;
132 unsigned int i;
133
134 if (!word)
135 return;
136
137 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
138 rt2x00pci_register_read(rt2x00dev, PHY_CSR4, &reg);
139 if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY))
140 goto rf_write;
141 udelay(REGISTER_BUSY_DELAY);
142 }
143
144 ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n");
145 return;
146
147 rf_write:
148 reg = 0;
149 rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
150 rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS, 21);
151 rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
152 rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
153
154 rt2x00pci_register_write(rt2x00dev, PHY_CSR4, reg);
155 rt2x00_rf_write(rt2x00dev, word, value);
156 }
157
158 static void rt61pci_mcu_request(struct rt2x00_dev *rt2x00dev,
159 const u8 command, const u8 token,
160 const u8 arg0, const u8 arg1)
161 {
162 u32 reg;
163
164 rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CSR, &reg);
165
166 if (rt2x00_get_field32(reg, H2M_MAILBOX_CSR_OWNER)) {
167 ERROR(rt2x00dev, "mcu request error. "
168 "Request 0x%02x failed for token 0x%02x.\n",
169 command, token);
170 return;
171 }
172
173 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
174 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
175 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
176 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
177 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg);
178
179 rt2x00pci_register_read(rt2x00dev, HOST_CMD_CSR, &reg);
180 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
181 rt2x00_set_field32(&reg, HOST_CMD_CSR_INTERRUPT_MCU, 1);
182 rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg);
183 }
184
185 static void rt61pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
186 {
187 struct rt2x00_dev *rt2x00dev = eeprom->data;
188 u32 reg;
189
190 rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
191
192 eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
193 eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
194 eeprom->reg_data_clock =
195 !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK);
196 eeprom->reg_chip_select =
197 !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT);
198 }
199
200 static void rt61pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
201 {
202 struct rt2x00_dev *rt2x00dev = eeprom->data;
203 u32 reg = 0;
204
205 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
206 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
207 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK,
208 !!eeprom->reg_data_clock);
209 rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
210 !!eeprom->reg_chip_select);
211
212 rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg);
213 }
214
215 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
216 #define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
217
218 static void rt61pci_read_csr(struct rt2x00_dev *rt2x00dev,
219 const unsigned int word, u32 *data)
220 {
221 rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data);
222 }
223
224 static void rt61pci_write_csr(struct rt2x00_dev *rt2x00dev,
225 const unsigned int word, u32 data)
226 {
227 rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data);
228 }
229
230 static const struct rt2x00debug rt61pci_rt2x00debug = {
231 .owner = THIS_MODULE,
232 .csr = {
233 .read = rt61pci_read_csr,
234 .write = rt61pci_write_csr,
235 .word_size = sizeof(u32),
236 .word_count = CSR_REG_SIZE / sizeof(u32),
237 },
238 .eeprom = {
239 .read = rt2x00_eeprom_read,
240 .write = rt2x00_eeprom_write,
241 .word_size = sizeof(u16),
242 .word_count = EEPROM_SIZE / sizeof(u16),
243 },
244 .bbp = {
245 .read = rt61pci_bbp_read,
246 .write = rt61pci_bbp_write,
247 .word_size = sizeof(u8),
248 .word_count = BBP_SIZE / sizeof(u8),
249 },
250 .rf = {
251 .read = rt2x00_rf_read,
252 .write = rt61pci_rf_write,
253 .word_size = sizeof(u32),
254 .word_count = RF_SIZE / sizeof(u32),
255 },
256 };
257 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
258
259 #ifdef CONFIG_RT61PCI_RFKILL
260 static int rt61pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
261 {
262 u32 reg;
263
264 rt2x00pci_register_read(rt2x00dev, MAC_CSR13, &reg);
265 return rt2x00_get_field32(reg, MAC_CSR13_BIT5);;
266 }
267 #else
268 #define rt61pci_rfkill_poll NULL
269 #endif /* CONFIG_RT61PCI_RFKILL */
270
271 /*
272 * Configuration handlers.
273 */
274 static void rt61pci_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac)
275 {
276 u32 tmp;
277
278 tmp = le32_to_cpu(mac[1]);
279 rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
280 mac[1] = cpu_to_le32(tmp);
281
282 rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
283 (2 * sizeof(__le32)));
284 }
285
286 static void rt61pci_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid)
287 {
288 u32 tmp;
289
290 tmp = le32_to_cpu(bssid[1]);
291 rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
292 bssid[1] = cpu_to_le32(tmp);
293
294 rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4, bssid,
295 (2 * sizeof(__le32)));
296 }
297
298 static void rt61pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
299 const int tsf_sync)
300 {
301 u32 reg;
302
303 /*
304 * Clear current synchronisation setup.
305 * For the Beacon base registers we only need to clear
306 * the first byte since that byte contains the VALID and OWNER
307 * bits which (when set to 0) will invalidate the entire beacon.
308 */
309 rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
310 rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
311 rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
312 rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
313 rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
314
315 /*
316 * Enable synchronisation.
317 */
318 rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
319 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
320 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE,
321 (tsf_sync == TSF_SYNC_BEACON));
322 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
323 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, tsf_sync);
324 rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
325 }
326
327 static void rt61pci_config_preamble(struct rt2x00_dev *rt2x00dev,
328 const int short_preamble,
329 const int ack_timeout,
330 const int ack_consume_time)
331 {
332 u32 reg;
333
334 rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
335 rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout);
336 rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
337
338 rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg);
339 rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
340 !!short_preamble);
341 rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
342 }
343
344 static void rt61pci_config_phymode(struct rt2x00_dev *rt2x00dev,
345 const int basic_rate_mask)
346 {
347 rt2x00pci_register_write(rt2x00dev, TXRX_CSR5, basic_rate_mask);
348 }
349
350 static void rt61pci_config_channel(struct rt2x00_dev *rt2x00dev,
351 struct rf_channel *rf, const int txpower)
352 {
353 u8 r3;
354 u8 r94;
355 u8 smart;
356
357 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
358 rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
359
360 smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
361 rt2x00_rf(&rt2x00dev->chip, RF2527));
362
363 rt61pci_bbp_read(rt2x00dev, 3, &r3);
364 rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
365 rt61pci_bbp_write(rt2x00dev, 3, r3);
366
367 r94 = 6;
368 if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
369 r94 += txpower - MAX_TXPOWER;
370 else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
371 r94 += txpower;
372 rt61pci_bbp_write(rt2x00dev, 94, r94);
373
374 rt61pci_rf_write(rt2x00dev, 1, rf->rf1);
375 rt61pci_rf_write(rt2x00dev, 2, rf->rf2);
376 rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
377 rt61pci_rf_write(rt2x00dev, 4, rf->rf4);
378
379 udelay(200);
380
381 rt61pci_rf_write(rt2x00dev, 1, rf->rf1);
382 rt61pci_rf_write(rt2x00dev, 2, rf->rf2);
383 rt61pci_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
384 rt61pci_rf_write(rt2x00dev, 4, rf->rf4);
385
386 udelay(200);
387
388 rt61pci_rf_write(rt2x00dev, 1, rf->rf1);
389 rt61pci_rf_write(rt2x00dev, 2, rf->rf2);
390 rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
391 rt61pci_rf_write(rt2x00dev, 4, rf->rf4);
392
393 msleep(1);
394 }
395
396 static void rt61pci_config_txpower(struct rt2x00_dev *rt2x00dev,
397 const int txpower)
398 {
399 struct rf_channel rf;
400
401 rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
402 rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
403 rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
404 rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
405
406 rt61pci_config_channel(rt2x00dev, &rf, txpower);
407 }
408
409 static void rt61pci_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
410 struct antenna_setup *ant)
411 {
412 u8 r3;
413 u8 r4;
414 u8 r77;
415
416 rt61pci_bbp_read(rt2x00dev, 3, &r3);
417 rt61pci_bbp_read(rt2x00dev, 4, &r4);
418 rt61pci_bbp_read(rt2x00dev, 77, &r77);
419
420 rt2x00_set_field8(&r3, BBP_R3_SMART_MODE,
421 rt2x00_rf(&rt2x00dev->chip, RF5325));
422
423 /*
424 * Configure the RX antenna.
425 */
426 switch (ant->rx) {
427 case ANTENNA_HW_DIVERSITY:
428 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
429 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
430 (rt2x00dev->curr_hwmode != HWMODE_A));
431 break;
432 case ANTENNA_A:
433 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
434 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
435 if (rt2x00dev->curr_hwmode == HWMODE_A)
436 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
437 else
438 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
439 break;
440 case ANTENNA_SW_DIVERSITY:
441 /*
442 * NOTE: We should never come here because rt2x00lib is
443 * supposed to catch this and send us the correct antenna
444 * explicitely. However we are nog going to bug about this.
445 * Instead, just default to antenna B.
446 */
447 case ANTENNA_B:
448 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
449 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
450 if (rt2x00dev->curr_hwmode == HWMODE_A)
451 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
452 else
453 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
454 break;
455 }
456
457 rt61pci_bbp_write(rt2x00dev, 77, r77);
458 rt61pci_bbp_write(rt2x00dev, 3, r3);
459 rt61pci_bbp_write(rt2x00dev, 4, r4);
460 }
461
462 static void rt61pci_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
463 struct antenna_setup *ant)
464 {
465 u8 r3;
466 u8 r4;
467 u8 r77;
468
469 rt61pci_bbp_read(rt2x00dev, 3, &r3);
470 rt61pci_bbp_read(rt2x00dev, 4, &r4);
471 rt61pci_bbp_read(rt2x00dev, 77, &r77);
472
473 rt2x00_set_field8(&r3, BBP_R3_SMART_MODE,
474 rt2x00_rf(&rt2x00dev->chip, RF2529));
475 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
476 !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
477
478 /*
479 * Configure the RX antenna.
480 */
481 switch (ant->rx) {
482 case ANTENNA_HW_DIVERSITY:
483 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
484 break;
485 case ANTENNA_A:
486 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
487 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
488 break;
489 case ANTENNA_SW_DIVERSITY:
490 /*
491 * NOTE: We should never come here because rt2x00lib is
492 * supposed to catch this and send us the correct antenna
493 * explicitely. However we are nog going to bug about this.
494 * Instead, just default to antenna B.
495 */
496 case ANTENNA_B:
497 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
498 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
499 break;
500 }
501
502 rt61pci_bbp_write(rt2x00dev, 77, r77);
503 rt61pci_bbp_write(rt2x00dev, 3, r3);
504 rt61pci_bbp_write(rt2x00dev, 4, r4);
505 }
506
507 static void rt61pci_config_antenna_2529_rx(struct rt2x00_dev *rt2x00dev,
508 const int p1, const int p2)
509 {
510 u32 reg;
511
512 rt2x00pci_register_read(rt2x00dev, MAC_CSR13, &reg);
513
514 rt2x00_set_field32(&reg, MAC_CSR13_BIT4, p1);
515 rt2x00_set_field32(&reg, MAC_CSR13_BIT12, 0);
516
517 rt2x00_set_field32(&reg, MAC_CSR13_BIT3, !p2);
518 rt2x00_set_field32(&reg, MAC_CSR13_BIT11, 0);
519
520 rt2x00pci_register_write(rt2x00dev, MAC_CSR13, reg);
521 }
522
523 static void rt61pci_config_antenna_2529(struct rt2x00_dev *rt2x00dev,
524 struct antenna_setup *ant)
525 {
526 u8 r3;
527 u8 r4;
528 u8 r77;
529
530 rt61pci_bbp_read(rt2x00dev, 3, &r3);
531 rt61pci_bbp_read(rt2x00dev, 4, &r4);
532 rt61pci_bbp_read(rt2x00dev, 77, &r77);
533
534 /* FIXME: Antenna selection for the rf 2529 is very confusing in the
535 * legacy driver. The code below should be ok for non-diversity setups.
536 */
537
538 /*
539 * Configure the RX antenna.
540 */
541 switch (ant->rx) {
542 case ANTENNA_A:
543 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
544 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
545 rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 0);
546 break;
547 case ANTENNA_SW_DIVERSITY:
548 case ANTENNA_HW_DIVERSITY:
549 /*
550 * NOTE: We should never come here because rt2x00lib is
551 * supposed to catch this and send us the correct antenna
552 * explicitely. However we are nog going to bug about this.
553 * Instead, just default to antenna B.
554 */
555 case ANTENNA_B:
556 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
557 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
558 rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1);
559 break;
560 }
561
562 rt61pci_bbp_write(rt2x00dev, 77, r77);
563 rt61pci_bbp_write(rt2x00dev, 3, r3);
564 rt61pci_bbp_write(rt2x00dev, 4, r4);
565 }
566
567 struct antenna_sel {
568 u8 word;
569 /*
570 * value[0] -> non-LNA
571 * value[1] -> LNA
572 */
573 u8 value[2];
574 };
575
576 static const struct antenna_sel antenna_sel_a[] = {
577 { 96, { 0x58, 0x78 } },
578 { 104, { 0x38, 0x48 } },
579 { 75, { 0xfe, 0x80 } },
580 { 86, { 0xfe, 0x80 } },
581 { 88, { 0xfe, 0x80 } },
582 { 35, { 0x60, 0x60 } },
583 { 97, { 0x58, 0x58 } },
584 { 98, { 0x58, 0x58 } },
585 };
586
587 static const struct antenna_sel antenna_sel_bg[] = {
588 { 96, { 0x48, 0x68 } },
589 { 104, { 0x2c, 0x3c } },
590 { 75, { 0xfe, 0x80 } },
591 { 86, { 0xfe, 0x80 } },
592 { 88, { 0xfe, 0x80 } },
593 { 35, { 0x50, 0x50 } },
594 { 97, { 0x48, 0x48 } },
595 { 98, { 0x48, 0x48 } },
596 };
597
598 static void rt61pci_config_antenna(struct rt2x00_dev *rt2x00dev,
599 struct antenna_setup *ant)
600 {
601 const struct antenna_sel *sel;
602 unsigned int lna;
603 unsigned int i;
604 u32 reg;
605
606 if (rt2x00dev->curr_hwmode == HWMODE_A) {
607 sel = antenna_sel_a;
608 lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
609 } else {
610 sel = antenna_sel_bg;
611 lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
612 }
613
614 for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
615 rt61pci_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
616
617 rt2x00pci_register_read(rt2x00dev, PHY_CSR0, &reg);
618
619 rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
620 (rt2x00dev->curr_hwmode == HWMODE_B ||
621 rt2x00dev->curr_hwmode == HWMODE_G));
622 rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
623 (rt2x00dev->curr_hwmode == HWMODE_A));
624
625 rt2x00pci_register_write(rt2x00dev, PHY_CSR0, reg);
626
627 if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
628 rt2x00_rf(&rt2x00dev->chip, RF5325))
629 rt61pci_config_antenna_5x(rt2x00dev, ant);
630 else if (rt2x00_rf(&rt2x00dev->chip, RF2527))
631 rt61pci_config_antenna_2x(rt2x00dev, ant);
632 else if (rt2x00_rf(&rt2x00dev->chip, RF2529)) {
633 if (test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags))
634 rt61pci_config_antenna_2x(rt2x00dev, ant);
635 else
636 rt61pci_config_antenna_2529(rt2x00dev, ant);
637 }
638 }
639
640 static void rt61pci_config_duration(struct rt2x00_dev *rt2x00dev,
641 struct rt2x00lib_conf *libconf)
642 {
643 u32 reg;
644
645 rt2x00pci_register_read(rt2x00dev, MAC_CSR9, &reg);
646 rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, libconf->slot_time);
647 rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg);
648
649 rt2x00pci_register_read(rt2x00dev, MAC_CSR8, &reg);
650 rt2x00_set_field32(&reg, MAC_CSR8_SIFS, libconf->sifs);
651 rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
652 rt2x00_set_field32(&reg, MAC_CSR8_EIFS, libconf->eifs);
653 rt2x00pci_register_write(rt2x00dev, MAC_CSR8, reg);
654
655 rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
656 rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
657 rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
658
659 rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg);
660 rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
661 rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
662
663 rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
664 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
665 libconf->conf->beacon_int * 16);
666 rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
667 }
668
669 static void rt61pci_config(struct rt2x00_dev *rt2x00dev,
670 const unsigned int flags,
671 struct rt2x00lib_conf *libconf)
672 {
673 if (flags & CONFIG_UPDATE_PHYMODE)
674 rt61pci_config_phymode(rt2x00dev, libconf->basic_rates);
675 if (flags & CONFIG_UPDATE_CHANNEL)
676 rt61pci_config_channel(rt2x00dev, &libconf->rf,
677 libconf->conf->power_level);
678 if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
679 rt61pci_config_txpower(rt2x00dev, libconf->conf->power_level);
680 if (flags & CONFIG_UPDATE_ANTENNA)
681 rt61pci_config_antenna(rt2x00dev, &libconf->ant);
682 if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
683 rt61pci_config_duration(rt2x00dev, libconf);
684 }
685
686 /*
687 * LED functions.
688 */
689 static void rt61pci_enable_led(struct rt2x00_dev *rt2x00dev)
690 {
691 u32 reg;
692 u8 arg0;
693 u8 arg1;
694
695 rt2x00pci_register_read(rt2x00dev, MAC_CSR14, &reg);
696 rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, 70);
697 rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, 30);
698 rt2x00pci_register_write(rt2x00dev, MAC_CSR14, reg);
699
700 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 1);
701 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_A_STATUS,
702 (rt2x00dev->rx_status.phymode == MODE_IEEE80211A));
703 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_BG_STATUS,
704 (rt2x00dev->rx_status.phymode != MODE_IEEE80211A));
705
706 arg0 = rt2x00dev->led_reg & 0xff;
707 arg1 = (rt2x00dev->led_reg >> 8) & 0xff;
708
709 rt61pci_mcu_request(rt2x00dev, MCU_LED, 0xff, arg0, arg1);
710 }
711
712 static void rt61pci_disable_led(struct rt2x00_dev *rt2x00dev)
713 {
714 u16 led_reg;
715 u8 arg0;
716 u8 arg1;
717
718 led_reg = rt2x00dev->led_reg;
719 rt2x00_set_field16(&led_reg, MCU_LEDCS_RADIO_STATUS, 0);
720 rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_BG_STATUS, 0);
721 rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_A_STATUS, 0);
722
723 arg0 = led_reg & 0xff;
724 arg1 = (led_reg >> 8) & 0xff;
725
726 rt61pci_mcu_request(rt2x00dev, MCU_LED, 0xff, arg0, arg1);
727 }
728
729 static void rt61pci_activity_led(struct rt2x00_dev *rt2x00dev, int rssi)
730 {
731 u8 led;
732
733 if (rt2x00dev->led_mode != LED_MODE_SIGNAL_STRENGTH)
734 return;
735
736 /*
737 * Led handling requires a positive value for the rssi,
738 * to do that correctly we need to add the correction.
739 */
740 rssi += rt2x00dev->rssi_offset;
741
742 if (rssi <= 30)
743 led = 0;
744 else if (rssi <= 39)
745 led = 1;
746 else if (rssi <= 49)
747 led = 2;
748 else if (rssi <= 53)
749 led = 3;
750 else if (rssi <= 63)
751 led = 4;
752 else
753 led = 5;
754
755 rt61pci_mcu_request(rt2x00dev, MCU_LED_STRENGTH, 0xff, led, 0);
756 }
757
758 /*
759 * Link tuning
760 */
761 static void rt61pci_link_stats(struct rt2x00_dev *rt2x00dev,
762 struct link_qual *qual)
763 {
764 u32 reg;
765
766 /*
767 * Update FCS error count from register.
768 */
769 rt2x00pci_register_read(rt2x00dev, STA_CSR0, &reg);
770 qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
771
772 /*
773 * Update False CCA count from register.
774 */
775 rt2x00pci_register_read(rt2x00dev, STA_CSR1, &reg);
776 qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
777 }
778
779 static void rt61pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
780 {
781 rt61pci_bbp_write(rt2x00dev, 17, 0x20);
782 rt2x00dev->link.vgc_level = 0x20;
783 }
784
785 static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev)
786 {
787 int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
788 u8 r17;
789 u8 up_bound;
790 u8 low_bound;
791
792 /*
793 * Update Led strength
794 */
795 rt61pci_activity_led(rt2x00dev, rssi);
796
797 rt61pci_bbp_read(rt2x00dev, 17, &r17);
798
799 /*
800 * Determine r17 bounds.
801 */
802 if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
803 low_bound = 0x28;
804 up_bound = 0x48;
805 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
806 low_bound += 0x10;
807 up_bound += 0x10;
808 }
809 } else {
810 low_bound = 0x20;
811 up_bound = 0x40;
812 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
813 low_bound += 0x10;
814 up_bound += 0x10;
815 }
816 }
817
818 /*
819 * Special big-R17 for very short distance
820 */
821 if (rssi >= -35) {
822 if (r17 != 0x60)
823 rt61pci_bbp_write(rt2x00dev, 17, 0x60);
824 return;
825 }
826
827 /*
828 * Special big-R17 for short distance
829 */
830 if (rssi >= -58) {
831 if (r17 != up_bound)
832 rt61pci_bbp_write(rt2x00dev, 17, up_bound);
833 return;
834 }
835
836 /*
837 * Special big-R17 for middle-short distance
838 */
839 if (rssi >= -66) {
840 low_bound += 0x10;
841 if (r17 != low_bound)
842 rt61pci_bbp_write(rt2x00dev, 17, low_bound);
843 return;
844 }
845
846 /*
847 * Special mid-R17 for middle distance
848 */
849 if (rssi >= -74) {
850 low_bound += 0x08;
851 if (r17 != low_bound)
852 rt61pci_bbp_write(rt2x00dev, 17, low_bound);
853 return;
854 }
855
856 /*
857 * Special case: Change up_bound based on the rssi.
858 * Lower up_bound when rssi is weaker then -74 dBm.
859 */
860 up_bound -= 2 * (-74 - rssi);
861 if (low_bound > up_bound)
862 up_bound = low_bound;
863
864 if (r17 > up_bound) {
865 rt61pci_bbp_write(rt2x00dev, 17, up_bound);
866 return;
867 }
868
869 /*
870 * r17 does not yet exceed upper limit, continue and base
871 * the r17 tuning on the false CCA count.
872 */
873 if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
874 if (++r17 > up_bound)
875 r17 = up_bound;
876 rt61pci_bbp_write(rt2x00dev, 17, r17);
877 } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
878 if (--r17 < low_bound)
879 r17 = low_bound;
880 rt61pci_bbp_write(rt2x00dev, 17, r17);
881 }
882 }
883
884 /*
885 * Firmware name function.
886 */
887 static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
888 {
889 char *fw_name;
890
891 switch (rt2x00dev->chip.rt) {
892 case RT2561:
893 fw_name = FIRMWARE_RT2561;
894 break;
895 case RT2561s:
896 fw_name = FIRMWARE_RT2561s;
897 break;
898 case RT2661:
899 fw_name = FIRMWARE_RT2661;
900 break;
901 default:
902 fw_name = NULL;
903 break;
904 }
905
906 return fw_name;
907 }
908
909 /*
910 * Initialization functions.
911 */
912 static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
913 const size_t len)
914 {
915 int i;
916 u32 reg;
917
918 /*
919 * Wait for stable hardware.
920 */
921 for (i = 0; i < 100; i++) {
922 rt2x00pci_register_read(rt2x00dev, MAC_CSR0, &reg);
923 if (reg)
924 break;
925 msleep(1);
926 }
927
928 if (!reg) {
929 ERROR(rt2x00dev, "Unstable hardware.\n");
930 return -EBUSY;
931 }
932
933 /*
934 * Prepare MCU and mailbox for firmware loading.
935 */
936 reg = 0;
937 rt2x00_set_field32(&reg, MCU_CNTL_CSR_RESET, 1);
938 rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg);
939 rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff);
940 rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
941 rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, 0);
942
943 /*
944 * Write firmware to device.
945 */
946 reg = 0;
947 rt2x00_set_field32(&reg, MCU_CNTL_CSR_RESET, 1);
948 rt2x00_set_field32(&reg, MCU_CNTL_CSR_SELECT_BANK, 1);
949 rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg);
950
951 rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
952 data, len);
953
954 rt2x00_set_field32(&reg, MCU_CNTL_CSR_SELECT_BANK, 0);
955 rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg);
956
957 rt2x00_set_field32(&reg, MCU_CNTL_CSR_RESET, 0);
958 rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg);
959
960 for (i = 0; i < 100; i++) {
961 rt2x00pci_register_read(rt2x00dev, MCU_CNTL_CSR, &reg);
962 if (rt2x00_get_field32(reg, MCU_CNTL_CSR_READY))
963 break;
964 msleep(1);
965 }
966
967 if (i == 100) {
968 ERROR(rt2x00dev, "MCU Control register not ready.\n");
969 return -EBUSY;
970 }
971
972 /*
973 * Reset MAC and BBP registers.
974 */
975 reg = 0;
976 rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
977 rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
978 rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
979
980 rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
981 rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
982 rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
983 rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
984
985 rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
986 rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
987 rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
988
989 return 0;
990 }
991
992 static void rt61pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
993 struct data_entry *entry)
994 {
995 __le32 *rxd = entry->priv;
996 u32 word;
997
998 rt2x00_desc_read(rxd, 5, &word);
999 rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS,
1000 entry->data_dma);
1001 rt2x00_desc_write(rxd, 5, word);
1002
1003 rt2x00_desc_read(rxd, 0, &word);
1004 rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
1005 rt2x00_desc_write(rxd, 0, word);
1006 }
1007
1008 static void rt61pci_init_txentry(struct rt2x00_dev *rt2x00dev,
1009 struct data_entry *entry)
1010 {
1011 __le32 *txd = entry->priv;
1012 u32 word;
1013
1014 rt2x00_desc_read(txd, 1, &word);
1015 rt2x00_set_field32(&word, TXD_W1_BUFFER_COUNT, 1);
1016 rt2x00_desc_write(txd, 1, word);
1017
1018 rt2x00_desc_read(txd, 5, &word);
1019 rt2x00_set_field32(&word, TXD_W5_PID_TYPE, entry->ring->queue_idx);
1020 rt2x00_set_field32(&word, TXD_W5_PID_SUBTYPE, entry->entry_idx);
1021 rt2x00_desc_write(txd, 5, word);
1022
1023 rt2x00_desc_read(txd, 6, &word);
1024 rt2x00_set_field32(&word, TXD_W6_BUFFER_PHYSICAL_ADDRESS,
1025 entry->data_dma);
1026 rt2x00_desc_write(txd, 6, word);
1027
1028 rt2x00_desc_read(txd, 0, &word);
1029 rt2x00_set_field32(&word, TXD_W0_VALID, 0);
1030 rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
1031 rt2x00_desc_write(txd, 0, word);
1032 }
1033
1034 static int rt61pci_init_rings(struct rt2x00_dev *rt2x00dev)
1035 {
1036 u32 reg;
1037
1038 /*
1039 * Initialize registers.
1040 */
1041 rt2x00pci_register_read(rt2x00dev, TX_RING_CSR0, &reg);
1042 rt2x00_set_field32(&reg, TX_RING_CSR0_AC0_RING_SIZE,
1043 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].stats.limit);
1044 rt2x00_set_field32(&reg, TX_RING_CSR0_AC1_RING_SIZE,
1045 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].stats.limit);
1046 rt2x00_set_field32(&reg, TX_RING_CSR0_AC2_RING_SIZE,
1047 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA2].stats.limit);
1048 rt2x00_set_field32(&reg, TX_RING_CSR0_AC3_RING_SIZE,
1049 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA3].stats.limit);
1050 rt2x00pci_register_write(rt2x00dev, TX_RING_CSR0, reg);
1051
1052 rt2x00pci_register_read(rt2x00dev, TX_RING_CSR1, &reg);
1053 rt2x00_set_field32(&reg, TX_RING_CSR1_MGMT_RING_SIZE,
1054 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA4].stats.limit);
1055 rt2x00_set_field32(&reg, TX_RING_CSR1_TXD_SIZE,
1056 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].desc_size /
1057 4);
1058 rt2x00pci_register_write(rt2x00dev, TX_RING_CSR1, reg);
1059
1060 rt2x00pci_register_read(rt2x00dev, AC0_BASE_CSR, &reg);
1061 rt2x00_set_field32(&reg, AC0_BASE_CSR_RING_REGISTER,
1062 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].data_dma);
1063 rt2x00pci_register_write(rt2x00dev, AC0_BASE_CSR, reg);
1064
1065 rt2x00pci_register_read(rt2x00dev, AC1_BASE_CSR, &reg);
1066 rt2x00_set_field32(&reg, AC1_BASE_CSR_RING_REGISTER,
1067 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].data_dma);
1068 rt2x00pci_register_write(rt2x00dev, AC1_BASE_CSR, reg);
1069
1070 rt2x00pci_register_read(rt2x00dev, AC2_BASE_CSR, &reg);
1071 rt2x00_set_field32(&reg, AC2_BASE_CSR_RING_REGISTER,
1072 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA2].data_dma);
1073 rt2x00pci_register_write(rt2x00dev, AC2_BASE_CSR, reg);
1074
1075 rt2x00pci_register_read(rt2x00dev, AC3_BASE_CSR, &reg);
1076 rt2x00_set_field32(&reg, AC3_BASE_CSR_RING_REGISTER,
1077 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA3].data_dma);
1078 rt2x00pci_register_write(rt2x00dev, AC3_BASE_CSR, reg);
1079
1080 rt2x00pci_register_read(rt2x00dev, MGMT_BASE_CSR, &reg);
1081 rt2x00_set_field32(&reg, MGMT_BASE_CSR_RING_REGISTER,
1082 rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA4].data_dma);
1083 rt2x00pci_register_write(rt2x00dev, MGMT_BASE_CSR, reg);
1084
1085 rt2x00pci_register_read(rt2x00dev, RX_RING_CSR, &reg);
1086 rt2x00_set_field32(&reg, RX_RING_CSR_RING_SIZE,
1087 rt2x00dev->rx->stats.limit);
1088 rt2x00_set_field32(&reg, RX_RING_CSR_RXD_SIZE,
1089 rt2x00dev->rx->desc_size / 4);
1090 rt2x00_set_field32(&reg, RX_RING_CSR_RXD_WRITEBACK_SIZE, 4);
1091 rt2x00pci_register_write(rt2x00dev, RX_RING_CSR, reg);
1092
1093 rt2x00pci_register_read(rt2x00dev, RX_BASE_CSR, &reg);
1094 rt2x00_set_field32(&reg, RX_BASE_CSR_RING_REGISTER,
1095 rt2x00dev->rx->data_dma);
1096 rt2x00pci_register_write(rt2x00dev, RX_BASE_CSR, reg);
1097
1098 rt2x00pci_register_read(rt2x00dev, TX_DMA_DST_CSR, &reg);
1099 rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC0, 2);
1100 rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC1, 2);
1101 rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC2, 2);
1102 rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_AC3, 2);
1103 rt2x00_set_field32(&reg, TX_DMA_DST_CSR_DEST_MGMT, 0);
1104 rt2x00pci_register_write(rt2x00dev, TX_DMA_DST_CSR, reg);
1105
1106 rt2x00pci_register_read(rt2x00dev, LOAD_TX_RING_CSR, &reg);
1107 rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC0, 1);
1108 rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC1, 1);
1109 rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC2, 1);
1110 rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_AC3, 1);
1111 rt2x00_set_field32(&reg, LOAD_TX_RING_CSR_LOAD_TXD_MGMT, 1);
1112 rt2x00pci_register_write(rt2x00dev, LOAD_TX_RING_CSR, reg);
1113
1114 rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, &reg);
1115 rt2x00_set_field32(&reg, RX_CNTL_CSR_LOAD_RXD, 1);
1116 rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg);
1117
1118 return 0;
1119 }
1120
1121 static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev)
1122 {
1123 u32 reg;
1124
1125 rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
1126 rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
1127 rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1128 rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
1129 rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
1130
1131 rt2x00pci_register_read(rt2x00dev, TXRX_CSR1, &reg);
1132 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
1133 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
1134 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
1135 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
1136 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
1137 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
1138 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
1139 rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
1140 rt2x00pci_register_write(rt2x00dev, TXRX_CSR1, reg);
1141
1142 /*
1143 * CCK TXD BBP registers
1144 */
1145 rt2x00pci_register_read(rt2x00dev, TXRX_CSR2, &reg);
1146 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
1147 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
1148 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
1149 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
1150 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
1151 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
1152 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
1153 rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
1154 rt2x00pci_register_write(rt2x00dev, TXRX_CSR2, reg);
1155
1156 /*
1157 * OFDM TXD BBP registers
1158 */
1159 rt2x00pci_register_read(rt2x00dev, TXRX_CSR3, &reg);
1160 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
1161 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
1162 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
1163 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
1164 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
1165 rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
1166 rt2x00pci_register_write(rt2x00dev, TXRX_CSR3, reg);
1167
1168 rt2x00pci_register_read(rt2x00dev, TXRX_CSR7, &reg);
1169 rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
1170 rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
1171 rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
1172 rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
1173 rt2x00pci_register_write(rt2x00dev, TXRX_CSR7, reg);
1174
1175 rt2x00pci_register_read(rt2x00dev, TXRX_CSR8, &reg);
1176 rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
1177 rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
1178 rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
1179 rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
1180 rt2x00pci_register_write(rt2x00dev, TXRX_CSR8, reg);
1181
1182 rt2x00pci_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
1183
1184 rt2x00pci_register_write(rt2x00dev, MAC_CSR6, 0x00000fff);
1185
1186 rt2x00pci_register_read(rt2x00dev, MAC_CSR9, &reg);
1187 rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
1188 rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg);
1189
1190 rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x0000071c);
1191
1192 if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
1193 return -EBUSY;
1194
1195 rt2x00pci_register_write(rt2x00dev, MAC_CSR13, 0x0000e000);
1196
1197 /*
1198 * Invalidate all Shared Keys (SEC_CSR0),
1199 * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
1200 */
1201 rt2x00pci_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
1202 rt2x00pci_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
1203 rt2x00pci_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
1204
1205 rt2x00pci_register_write(rt2x00dev, PHY_CSR1, 0x000023b0);
1206 rt2x00pci_register_write(rt2x00dev, PHY_CSR5, 0x060a100c);
1207 rt2x00pci_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
1208 rt2x00pci_register_write(rt2x00dev, PHY_CSR7, 0x00000a08);
1209
1210 rt2x00pci_register_write(rt2x00dev, PCI_CFG_CSR, 0x28ca4404);
1211
1212 rt2x00pci_register_write(rt2x00dev, TEST_MODE_CSR, 0x00000200);
1213
1214 rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff);
1215
1216 rt2x00pci_register_read(rt2x00dev, AC_TXOP_CSR0, &reg);
1217 rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC0_TX_OP, 0);
1218 rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC1_TX_OP, 0);
1219 rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR0, reg);
1220
1221 rt2x00pci_register_read(rt2x00dev, AC_TXOP_CSR1, &reg);
1222 rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC2_TX_OP, 192);
1223 rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC3_TX_OP, 48);
1224 rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR1, reg);
1225
1226 /*
1227 * We must clear the error counters.
1228 * These registers are cleared on read,
1229 * so we may pass a useless variable to store the value.
1230 */
1231 rt2x00pci_register_read(rt2x00dev, STA_CSR0, &reg);
1232 rt2x00pci_register_read(rt2x00dev, STA_CSR1, &reg);
1233 rt2x00pci_register_read(rt2x00dev, STA_CSR2, &reg);
1234
1235 /*
1236 * Reset MAC and BBP registers.
1237 */
1238 rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
1239 rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
1240 rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
1241 rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
1242
1243 rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
1244 rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
1245 rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
1246 rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
1247
1248 rt2x00pci_register_read(rt2x00dev, MAC_CSR1, &reg);
1249 rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
1250 rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg);
1251
1252 return 0;
1253 }
1254
1255 static int rt61pci_init_bbp(struct rt2x00_dev *rt2x00dev)
1256 {
1257 unsigned int i;
1258 u16 eeprom;
1259 u8 reg_id;
1260 u8 value;
1261
1262 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1263 rt61pci_bbp_read(rt2x00dev, 0, &value);
1264 if ((value != 0xff) && (value != 0x00))
1265 goto continue_csr_init;
1266 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
1267 udelay(REGISTER_BUSY_DELAY);
1268 }
1269
1270 ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1271 return -EACCES;
1272
1273 continue_csr_init:
1274 rt61pci_bbp_write(rt2x00dev, 3, 0x00);
1275 rt61pci_bbp_write(rt2x00dev, 15, 0x30);
1276 rt61pci_bbp_write(rt2x00dev, 21, 0xc8);
1277 rt61pci_bbp_write(rt2x00dev, 22, 0x38);
1278 rt61pci_bbp_write(rt2x00dev, 23, 0x06);
1279 rt61pci_bbp_write(rt2x00dev, 24, 0xfe);
1280 rt61pci_bbp_write(rt2x00dev, 25, 0x0a);
1281 rt61pci_bbp_write(rt2x00dev, 26, 0x0d);
1282 rt61pci_bbp_write(rt2x00dev, 34, 0x12);
1283 rt61pci_bbp_write(rt2x00dev, 37, 0x07);
1284 rt61pci_bbp_write(rt2x00dev, 39, 0xf8);
1285 rt61pci_bbp_write(rt2x00dev, 41, 0x60);
1286 rt61pci_bbp_write(rt2x00dev, 53, 0x10);
1287 rt61pci_bbp_write(rt2x00dev, 54, 0x18);
1288 rt61pci_bbp_write(rt2x00dev, 60, 0x10);
1289 rt61pci_bbp_write(rt2x00dev, 61, 0x04);
1290 rt61pci_bbp_write(rt2x00dev, 62, 0x04);
1291 rt61pci_bbp_write(rt2x00dev, 75, 0xfe);
1292 rt61pci_bbp_write(rt2x00dev, 86, 0xfe);
1293 rt61pci_bbp_write(rt2x00dev, 88, 0xfe);
1294 rt61pci_bbp_write(rt2x00dev, 90, 0x0f);
1295 rt61pci_bbp_write(rt2x00dev, 99, 0x00);
1296 rt61pci_bbp_write(rt2x00dev, 102, 0x16);
1297 rt61pci_bbp_write(rt2x00dev, 107, 0x04);
1298
1299 DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
1300 for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1301 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1302
1303 if (eeprom != 0xffff && eeprom != 0x0000) {
1304 reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1305 value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1306 DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
1307 reg_id, value);
1308 rt61pci_bbp_write(rt2x00dev, reg_id, value);
1309 }
1310 }
1311 DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
1312
1313 return 0;
1314 }
1315
1316 /*
1317 * Device state switch handlers.
1318 */
1319 static void rt61pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
1320 enum dev_state state)
1321 {
1322 u32 reg;
1323
1324 rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
1325 rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX,
1326 state == STATE_RADIO_RX_OFF);
1327 rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
1328 }
1329
1330 static void rt61pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
1331 enum dev_state state)
1332 {
1333 int mask = (state == STATE_RADIO_IRQ_OFF);
1334 u32 reg;
1335
1336 /*
1337 * When interrupts are being enabled, the interrupt registers
1338 * should clear the register to assure a clean state.
1339 */
1340 if (state == STATE_RADIO_IRQ_ON) {
1341 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
1342 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
1343
1344 rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, &reg);
1345 rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg);
1346 }
1347
1348 /*
1349 * Only toggle the interrupts bits we are going to use.
1350 * Non-checked interrupt bits are disabled by default.
1351 */
1352 rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
1353 rt2x00_set_field32(&reg, INT_MASK_CSR_TXDONE, mask);
1354 rt2x00_set_field32(&reg, INT_MASK_CSR_RXDONE, mask);
1355 rt2x00_set_field32(&reg, INT_MASK_CSR_ENABLE_MITIGATION, mask);
1356 rt2x00_set_field32(&reg, INT_MASK_CSR_MITIGATION_PERIOD, 0xff);
1357 rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
1358
1359 rt2x00pci_register_read(rt2x00dev, MCU_INT_MASK_CSR, &reg);
1360 rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_0, mask);
1361 rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_1, mask);
1362 rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_2, mask);
1363 rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_3, mask);
1364 rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_4, mask);
1365 rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_5, mask);
1366 rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_6, mask);
1367 rt2x00_set_field32(&reg, MCU_INT_MASK_CSR_7, mask);
1368 rt2x00pci_register_write(rt2x00dev, MCU_INT_MASK_CSR, reg);
1369 }
1370
1371 static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev)
1372 {
1373 u32 reg;
1374
1375 /*
1376 * Initialize all registers.
1377 */
1378 if (rt61pci_init_rings(rt2x00dev) ||
1379 rt61pci_init_registers(rt2x00dev) ||
1380 rt61pci_init_bbp(rt2x00dev)) {
1381 ERROR(rt2x00dev, "Register initialization failed.\n");
1382 return -EIO;
1383 }
1384
1385 /*
1386 * Enable interrupts.
1387 */
1388 rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON);
1389
1390 /*
1391 * Enable RX.
1392 */
1393 rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, &reg);
1394 rt2x00_set_field32(&reg, RX_CNTL_CSR_ENABLE_RX_DMA, 1);
1395 rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg);
1396
1397 /*
1398 * Enable LED
1399 */
1400 rt61pci_enable_led(rt2x00dev);
1401
1402 return 0;
1403 }
1404
1405 static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev)
1406 {
1407 u32 reg;
1408
1409 /*
1410 * Disable LED
1411 */
1412 rt61pci_disable_led(rt2x00dev);
1413
1414 rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
1415
1416 /*
1417 * Disable synchronisation.
1418 */
1419 rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
1420
1421 /*
1422 * Cancel RX and TX.
1423 */
1424 rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, &reg);
1425 rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC0, 1);
1426 rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC1, 1);
1427 rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC2, 1);
1428 rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC3, 1);
1429 rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_MGMT, 1);
1430 rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
1431
1432 /*
1433 * Disable interrupts.
1434 */
1435 rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF);
1436 }
1437
1438 static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
1439 {
1440 u32 reg;
1441 unsigned int i;
1442 char put_to_sleep;
1443 char current_state;
1444
1445 put_to_sleep = (state != STATE_AWAKE);
1446
1447 rt2x00pci_register_read(rt2x00dev, MAC_CSR12, &reg);
1448 rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
1449 rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
1450 rt2x00pci_register_write(rt2x00dev, MAC_CSR12, reg);
1451
1452 /*
1453 * Device is not guaranteed to be in the requested state yet.
1454 * We must wait until the register indicates that the
1455 * device has entered the correct state.
1456 */
1457 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1458 rt2x00pci_register_read(rt2x00dev, MAC_CSR12, &reg);
1459 current_state =
1460 rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE);
1461 if (current_state == !put_to_sleep)
1462 return 0;
1463 msleep(10);
1464 }
1465
1466 NOTICE(rt2x00dev, "Device failed to enter state %d, "
1467 "current device state %d.\n", !put_to_sleep, current_state);
1468
1469 return -EBUSY;
1470 }
1471
1472 static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev,
1473 enum dev_state state)
1474 {
1475 int retval = 0;
1476
1477 switch (state) {
1478 case STATE_RADIO_ON:
1479 retval = rt61pci_enable_radio(rt2x00dev);
1480 break;
1481 case STATE_RADIO_OFF:
1482 rt61pci_disable_radio(rt2x00dev);
1483 break;
1484 case STATE_RADIO_RX_ON:
1485 case STATE_RADIO_RX_ON_LINK:
1486 rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
1487 break;
1488 case STATE_RADIO_RX_OFF:
1489 case STATE_RADIO_RX_OFF_LINK:
1490 rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
1491 break;
1492 case STATE_DEEP_SLEEP:
1493 case STATE_SLEEP:
1494 case STATE_STANDBY:
1495 case STATE_AWAKE:
1496 retval = rt61pci_set_state(rt2x00dev, state);
1497 break;
1498 default:
1499 retval = -ENOTSUPP;
1500 break;
1501 }
1502
1503 return retval;
1504 }
1505
1506 /*
1507 * TX descriptor initialization
1508 */
1509 static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1510 struct sk_buff *skb,
1511 struct txdata_entry_desc *desc,
1512 struct ieee80211_tx_control *control)
1513 {
1514 struct skb_desc *skbdesc = get_skb_desc(skb);
1515 __le32 *txd = skbdesc->desc;
1516 u32 word;
1517
1518 /*
1519 * Start writing the descriptor words.
1520 */
1521 rt2x00_desc_read(txd, 1, &word);
1522 rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, desc->queue);
1523 rt2x00_set_field32(&word, TXD_W1_AIFSN, desc->aifs);
1524 rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min);
1525 rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max);
1526 rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
1527 rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1);
1528 rt2x00_desc_write(txd, 1, word);
1529
1530 rt2x00_desc_read(txd, 2, &word);
1531 rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal);
1532 rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service);
1533 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low);
1534 rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high);
1535 rt2x00_desc_write(txd, 2, word);
1536
1537 rt2x00_desc_read(txd, 5, &word);
1538 rt2x00_set_field32(&word, TXD_W5_TX_POWER,
1539 TXPOWER_TO_DEV(control->power_level));
1540 rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1541 rt2x00_desc_write(txd, 5, word);
1542
1543 rt2x00_desc_read(txd, 11, &word);
1544 rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, skbdesc->data_len);
1545 rt2x00_desc_write(txd, 11, word);
1546
1547 rt2x00_desc_read(txd, 0, &word);
1548 rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
1549 rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1550 rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1551 test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
1552 rt2x00_set_field32(&word, TXD_W0_ACK,
1553 test_bit(ENTRY_TXD_ACK, &desc->flags));
1554 rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1555 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
1556 rt2x00_set_field32(&word, TXD_W0_OFDM,
1557 test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
1558 rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
1559 rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1560 !!(control->flags &
1561 IEEE80211_TXCTL_LONG_RETRY_LIMIT));
1562 rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0);
1563 rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
1564 rt2x00_set_field32(&word, TXD_W0_BURST,
1565 test_bit(ENTRY_TXD_BURST, &desc->flags));
1566 rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
1567 rt2x00_desc_write(txd, 0, word);
1568 }
1569
1570 /*
1571 * TX data initialization
1572 */
1573 static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1574 unsigned int queue)
1575 {
1576 u32 reg;
1577
1578 if (queue == IEEE80211_TX_QUEUE_BEACON) {
1579 /*
1580 * For Wi-Fi faily generated beacons between participating
1581 * stations. Set TBTT phase adaptive adjustment step to 8us.
1582 */
1583 rt2x00pci_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1584
1585 rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
1586 if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
1587 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1588 rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
1589 }
1590 return;
1591 }
1592
1593 rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, &reg);
1594 rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC0,
1595 (queue == IEEE80211_TX_QUEUE_DATA0));
1596 rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC1,
1597 (queue == IEEE80211_TX_QUEUE_DATA1));
1598 rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC2,
1599 (queue == IEEE80211_TX_QUEUE_DATA2));
1600 rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC3,
1601 (queue == IEEE80211_TX_QUEUE_DATA3));
1602 rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_MGMT,
1603 (queue == IEEE80211_TX_QUEUE_DATA4));
1604 rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
1605 }
1606
1607 /*
1608 * RX control handlers
1609 */
1610 static int rt61pci_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
1611 {
1612 u16 eeprom;
1613 u8 offset;
1614 u8 lna;
1615
1616 lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
1617 switch (lna) {
1618 case 3:
1619 offset = 90;
1620 break;
1621 case 2:
1622 offset = 74;
1623 break;
1624 case 1:
1625 offset = 64;
1626 break;
1627 default:
1628 return 0;
1629 }
1630
1631 if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
1632 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
1633 offset += 14;
1634
1635 if (lna == 3 || lna == 2)
1636 offset += 10;
1637
1638 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
1639 offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
1640 } else {
1641 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
1642 offset += 14;
1643
1644 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
1645 offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
1646 }
1647
1648 return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
1649 }
1650
1651 static void rt61pci_fill_rxdone(struct data_entry *entry,
1652 struct rxdata_entry_desc *desc)
1653 {
1654 __le32 *rxd = entry->priv;
1655 u32 word0;
1656 u32 word1;
1657
1658 rt2x00_desc_read(rxd, 0, &word0);
1659 rt2x00_desc_read(rxd, 1, &word1);
1660
1661 desc->flags = 0;
1662 if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1663 desc->flags |= RX_FLAG_FAILED_FCS_CRC;
1664
1665 /*
1666 * Obtain the status about this packet.
1667 */
1668 desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1669 desc->rssi = rt61pci_agc_to_rssi(entry->ring->rt2x00dev, word1);
1670 desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
1671 desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1672 desc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
1673 }
1674
1675 /*
1676 * Interrupt functions.
1677 */
1678 static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
1679 {
1680 struct data_ring *ring;
1681 struct data_entry *entry;
1682 struct data_entry *entry_done;
1683 __le32 *txd;
1684 u32 word;
1685 u32 reg;
1686 u32 old_reg;
1687 int type;
1688 int index;
1689 int tx_status;
1690 int retry;
1691
1692 /*
1693 * During each loop we will compare the freshly read
1694 * STA_CSR4 register value with the value read from
1695 * the previous loop. If the 2 values are equal then
1696 * we should stop processing because the chance it
1697 * quite big that the device has been unplugged and
1698 * we risk going into an endless loop.
1699 */
1700 old_reg = 0;
1701
1702 while (1) {
1703 rt2x00pci_register_read(rt2x00dev, STA_CSR4, &reg);
1704 if (!rt2x00_get_field32(reg, STA_CSR4_VALID))
1705 break;
1706
1707 if (old_reg == reg)
1708 break;
1709 old_reg = reg;
1710
1711 /*
1712 * Skip this entry when it contains an invalid
1713 * ring identication number.
1714 */
1715 type = rt2x00_get_field32(reg, STA_CSR4_PID_TYPE);
1716 ring = rt2x00lib_get_ring(rt2x00dev, type);
1717 if (unlikely(!ring))
1718 continue;
1719
1720 /*
1721 * Skip this entry when it contains an invalid
1722 * index number.
1723 */
1724 index = rt2x00_get_field32(reg, STA_CSR4_PID_SUBTYPE);
1725 if (unlikely(index >= ring->stats.limit))
1726 continue;
1727
1728 entry = &ring->entry[index];
1729 txd = entry->priv;
1730 rt2x00_desc_read(txd, 0, &word);
1731
1732 if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
1733 !rt2x00_get_field32(word, TXD_W0_VALID))
1734 return;
1735
1736 entry_done = rt2x00_get_data_entry_done(ring);
1737 while (entry != entry_done) {
1738 /* Catch up. Just report any entries we missed as
1739 * failed. */
1740 WARNING(rt2x00dev,
1741 "TX status report missed for entry %p\n",
1742 entry_done);
1743 rt2x00pci_txdone(rt2x00dev, entry_done, TX_FAIL_OTHER,
1744 0);
1745 entry_done = rt2x00_get_data_entry_done(ring);
1746 }
1747
1748 /*
1749 * Obtain the status about this packet.
1750 */
1751 tx_status = rt2x00_get_field32(reg, STA_CSR4_TX_RESULT);
1752 retry = rt2x00_get_field32(reg, STA_CSR4_RETRY_COUNT);
1753
1754 rt2x00pci_txdone(rt2x00dev, entry, tx_status, retry);
1755 }
1756 }
1757
1758 static irqreturn_t rt61pci_interrupt(int irq, void *dev_instance)
1759 {
1760 struct rt2x00_dev *rt2x00dev = dev_instance;
1761 u32 reg_mcu;
1762 u32 reg;
1763
1764 /*
1765 * Get the interrupt sources & saved to local variable.
1766 * Write register value back to clear pending interrupts.
1767 */
1768 rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, &reg_mcu);
1769 rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg_mcu);
1770
1771 rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
1772 rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
1773
1774 if (!reg && !reg_mcu)
1775 return IRQ_NONE;
1776
1777 if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
1778 return IRQ_HANDLED;
1779
1780 /*
1781 * Handle interrupts, walk through all bits
1782 * and run the tasks, the bits are checked in order of
1783 * priority.
1784 */
1785
1786 /*
1787 * 1 - Rx ring done interrupt.
1788 */
1789 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RXDONE))
1790 rt2x00pci_rxdone(rt2x00dev);
1791
1792 /*
1793 * 2 - Tx ring done interrupt.
1794 */
1795 if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TXDONE))
1796 rt61pci_txdone(rt2x00dev);
1797
1798 /*
1799 * 3 - Handle MCU command done.
1800 */
1801 if (reg_mcu)
1802 rt2x00pci_register_write(rt2x00dev,
1803 M2H_CMD_DONE_CSR, 0xffffffff);
1804
1805 return IRQ_HANDLED;
1806 }
1807
1808 /*
1809 * Device probe functions.
1810 */
1811 static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1812 {
1813 struct eeprom_93cx6 eeprom;
1814 u32 reg;
1815 u16 word;
1816 u8 *mac;
1817 s8 value;
1818
1819 rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
1820
1821 eeprom.data = rt2x00dev;
1822 eeprom.register_read = rt61pci_eepromregister_read;
1823 eeprom.register_write = rt61pci_eepromregister_write;
1824 eeprom.width = rt2x00_get_field32(reg, E2PROM_CSR_TYPE_93C46) ?
1825 PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
1826 eeprom.reg_data_in = 0;
1827 eeprom.reg_data_out = 0;
1828 eeprom.reg_data_clock = 0;
1829 eeprom.reg_chip_select = 0;
1830
1831 eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
1832 EEPROM_SIZE / sizeof(u16));
1833
1834 /*
1835 * Start validation of the data that has been read.
1836 */
1837 mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1838 if (!is_valid_ether_addr(mac)) {
1839 DECLARE_MAC_BUF(macbuf);
1840
1841 random_ether_addr(mac);
1842 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1843 }
1844
1845 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1846 if (word == 0xffff) {
1847 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1848 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1849 ANTENNA_B);
1850 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1851 ANTENNA_B);
1852 rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
1853 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1854 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1855 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5225);
1856 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1857 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1858 }
1859
1860 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1861 if (word == 0xffff) {
1862 rt2x00_set_field16(&word, EEPROM_NIC_ENABLE_DIVERSITY, 0);
1863 rt2x00_set_field16(&word, EEPROM_NIC_TX_DIVERSITY, 0);
1864 rt2x00_set_field16(&word, EEPROM_NIC_TX_RX_FIXED, 0);
1865 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
1866 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1867 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
1868 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1869 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1870 }
1871
1872 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
1873 if (word == 0xffff) {
1874 rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
1875 LED_MODE_DEFAULT);
1876 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
1877 EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
1878 }
1879
1880 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1881 if (word == 0xffff) {
1882 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1883 rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
1884 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1885 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1886 }
1887
1888 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
1889 if (word == 0xffff) {
1890 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1891 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1892 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1893 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1894 } else {
1895 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
1896 if (value < -10 || value > 10)
1897 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1898 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
1899 if (value < -10 || value > 10)
1900 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1901 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1902 }
1903
1904 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
1905 if (word == 0xffff) {
1906 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1907 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1908 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1909 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1910 } else {
1911 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
1912 if (value < -10 || value > 10)
1913 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1914 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
1915 if (value < -10 || value > 10)
1916 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1917 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1918 }
1919
1920 return 0;
1921 }
1922
1923 static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
1924 {
1925 u32 reg;
1926 u16 value;
1927 u16 eeprom;
1928 u16 device;
1929
1930 /*
1931 * Read EEPROM word for configuration.
1932 */
1933 rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1934
1935 /*
1936 * Identify RF chipset.
1937 * To determine the RT chip we have to read the
1938 * PCI header of the device.
1939 */
1940 pci_read_config_word(rt2x00dev_pci(rt2x00dev),
1941 PCI_CONFIG_HEADER_DEVICE, &device);
1942 value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1943 rt2x00pci_register_read(rt2x00dev, MAC_CSR0, &reg);
1944 rt2x00_set_chip(rt2x00dev, device, value, reg);
1945
1946 if (!rt2x00_rf(&rt2x00dev->chip, RF5225) &&
1947 !rt2x00_rf(&rt2x00dev->chip, RF5325) &&
1948 !rt2x00_rf(&rt2x00dev->chip, RF2527) &&
1949 !rt2x00_rf(&rt2x00dev->chip, RF2529)) {
1950 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1951 return -ENODEV;
1952 }
1953
1954 /*
1955 * Determine number of antenna's.
1956 */
1957 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_NUM) == 2)
1958 __set_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags);
1959
1960 /*
1961 * Identify default antenna configuration.
1962 */
1963 rt2x00dev->default_ant.tx =
1964 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1965 rt2x00dev->default_ant.rx =
1966 rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1967
1968 /*
1969 * Read the Frame type.
1970 */
1971 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
1972 __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
1973
1974 /*
1975 * Detect if this device has an hardware controlled radio.
1976 */
1977 #ifdef CONFIG_RT61PCI_RFKILL
1978 if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1979 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1980 #endif /* CONFIG_RT61PCI_RFKILL */
1981
1982 /*
1983 * Read frequency offset and RF programming sequence.
1984 */
1985 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1986 if (rt2x00_get_field16(eeprom, EEPROM_FREQ_SEQ))
1987 __set_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags);
1988
1989 rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1990
1991 /*
1992 * Read external LNA informations.
1993 */
1994 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1995
1996 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
1997 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1998 if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
1999 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
2000
2001 /*
2002 * When working with a RF2529 chip without double antenna
2003 * the antenna settings should be gathered from the NIC
2004 * eeprom word.
2005 */
2006 if (rt2x00_rf(&rt2x00dev->chip, RF2529) &&
2007 !test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) {
2008 switch (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED)) {
2009 case 0:
2010 rt2x00dev->default_ant.tx = ANTENNA_B;
2011 rt2x00dev->default_ant.rx = ANTENNA_A;
2012 break;
2013 case 1:
2014 rt2x00dev->default_ant.tx = ANTENNA_B;
2015 rt2x00dev->default_ant.rx = ANTENNA_B;
2016 break;
2017 case 2:
2018 rt2x00dev->default_ant.tx = ANTENNA_A;
2019 rt2x00dev->default_ant.rx = ANTENNA_A;
2020 break;
2021 case 3:
2022 rt2x00dev->default_ant.tx = ANTENNA_A;
2023 rt2x00dev->default_ant.rx = ANTENNA_B;
2024 break;
2025 }
2026
2027 if (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY))
2028 rt2x00dev->default_ant.tx = ANTENNA_SW_DIVERSITY;
2029 if (rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY))
2030 rt2x00dev->default_ant.rx = ANTENNA_SW_DIVERSITY;
2031 }
2032
2033 /*
2034 * Store led settings, for correct led behaviour.
2035 * If the eeprom value is invalid,
2036 * switch to default led mode.
2037 */
2038 rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
2039
2040 rt2x00dev->led_mode = rt2x00_get_field16(eeprom, EEPROM_LED_LED_MODE);
2041
2042 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LED_MODE,
2043 rt2x00dev->led_mode);
2044 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_0,
2045 rt2x00_get_field16(eeprom,
2046 EEPROM_LED_POLARITY_GPIO_0));
2047 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_1,
2048 rt2x00_get_field16(eeprom,
2049 EEPROM_LED_POLARITY_GPIO_1));
2050 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_2,
2051 rt2x00_get_field16(eeprom,
2052 EEPROM_LED_POLARITY_GPIO_2));
2053 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_3,
2054 rt2x00_get_field16(eeprom,
2055 EEPROM_LED_POLARITY_GPIO_3));
2056 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_4,
2057 rt2x00_get_field16(eeprom,
2058 EEPROM_LED_POLARITY_GPIO_4));
2059 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_ACT,
2060 rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
2061 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_BG,
2062 rt2x00_get_field16(eeprom,
2063 EEPROM_LED_POLARITY_RDY_G));
2064 rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_A,
2065 rt2x00_get_field16(eeprom,
2066 EEPROM_LED_POLARITY_RDY_A));
2067
2068 return 0;
2069 }
2070
2071 /*
2072 * RF value list for RF5225 & RF5325
2073 * Supports: 2.4 GHz & 5.2 GHz, rf_sequence disabled
2074 */
2075 static const struct rf_channel rf_vals_noseq[] = {
2076 { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
2077 { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
2078 { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
2079 { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
2080 { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
2081 { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
2082 { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
2083 { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
2084 { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
2085 { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
2086 { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
2087 { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
2088 { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
2089 { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
2090
2091 /* 802.11 UNI / HyperLan 2 */
2092 { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
2093 { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
2094 { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
2095 { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
2096 { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
2097 { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
2098 { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
2099 { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
2100
2101 /* 802.11 HyperLan 2 */
2102 { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
2103 { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
2104 { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
2105 { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
2106 { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
2107 { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
2108 { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
2109 { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
2110 { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
2111 { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
2112
2113 /* 802.11 UNII */
2114 { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
2115 { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
2116 { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
2117 { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
2118 { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
2119 { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
2120
2121 /* MMAC(Japan)J52 ch 34,38,42,46 */
2122 { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
2123 { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
2124 { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
2125 { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
2126 };
2127
2128 /*
2129 * RF value list for RF5225 & RF5325
2130 * Supports: 2.4 GHz & 5.2 GHz, rf_sequence enabled
2131 */
2132 static const struct rf_channel rf_vals_seq[] = {
2133 { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
2134 { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
2135 { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
2136 { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
2137 { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
2138 { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
2139 { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
2140 { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
2141 { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
2142 { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
2143 { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
2144 { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
2145 { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
2146 { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
2147
2148 /* 802.11 UNI / HyperLan 2 */
2149 { 36, 0x00002cd4, 0x0004481a, 0x00098455, 0x000c0a03 },
2150 { 40, 0x00002cd0, 0x00044682, 0x00098455, 0x000c0a03 },
2151 { 44, 0x00002cd0, 0x00044686, 0x00098455, 0x000c0a1b },
2152 { 48, 0x00002cd0, 0x0004468e, 0x00098655, 0x000c0a0b },
2153 { 52, 0x00002cd0, 0x00044692, 0x00098855, 0x000c0a23 },
2154 { 56, 0x00002cd0, 0x0004469a, 0x00098c55, 0x000c0a13 },
2155 { 60, 0x00002cd0, 0x000446a2, 0x00098e55, 0x000c0a03 },
2156 { 64, 0x00002cd0, 0x000446a6, 0x00099255, 0x000c0a1b },
2157
2158 /* 802.11 HyperLan 2 */
2159 { 100, 0x00002cd4, 0x0004489a, 0x000b9855, 0x000c0a03 },
2160 { 104, 0x00002cd4, 0x000448a2, 0x000b9855, 0x000c0a03 },
2161 { 108, 0x00002cd4, 0x000448aa, 0x000b9855, 0x000c0a03 },
2162 { 112, 0x00002cd4, 0x000448b2, 0x000b9a55, 0x000c0a03 },
2163 { 116, 0x00002cd4, 0x000448ba, 0x000b9a55, 0x000c0a03 },
2164 { 120, 0x00002cd0, 0x00044702, 0x000b9a55, 0x000c0a03 },
2165 { 124, 0x00002cd0, 0x00044706, 0x000b9a55, 0x000c0a1b },
2166 { 128, 0x00002cd0, 0x0004470e, 0x000b9c55, 0x000c0a0b },
2167 { 132, 0x00002cd0, 0x00044712, 0x000b9c55, 0x000c0a23 },
2168 { 136, 0x00002cd0, 0x0004471a, 0x000b9e55, 0x000c0a13 },
2169
2170 /* 802.11 UNII */
2171 { 140, 0x00002cd0, 0x00044722, 0x000b9e55, 0x000c0a03 },
2172 { 149, 0x00002cd0, 0x0004472e, 0x000ba255, 0x000c0a1b },
2173 { 153, 0x00002cd0, 0x00044736, 0x000ba255, 0x000c0a0b },
2174 { 157, 0x00002cd4, 0x0004490a, 0x000ba255, 0x000c0a17 },
2175 { 161, 0x00002cd4, 0x00044912, 0x000ba255, 0x000c0a17 },
2176 { 165, 0x00002cd4, 0x0004491a, 0x000ba255, 0x000c0a17 },
2177
2178 /* MMAC(Japan)J52 ch 34,38,42,46 */
2179 { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000c0a0b },
2180 { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000c0a13 },
2181 { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000c0a1b },
2182 { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000c0a23 },
2183 };
2184
2185 static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2186 {
2187 struct hw_mode_spec *spec = &rt2x00dev->spec;
2188 u8 *txpower;
2189 unsigned int i;
2190
2191 /*
2192 * Initialize all hw fields.
2193 */
2194 rt2x00dev->hw->flags =
2195 IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
2196 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
2197 rt2x00dev->hw->extra_tx_headroom = 0;
2198 rt2x00dev->hw->max_signal = MAX_SIGNAL;
2199 rt2x00dev->hw->max_rssi = MAX_RX_SSI;
2200 rt2x00dev->hw->queues = 5;
2201
2202 SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev);
2203 SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2204 rt2x00_eeprom_addr(rt2x00dev,
2205 EEPROM_MAC_ADDR_0));
2206
2207 /*
2208 * Convert tx_power array in eeprom.
2209 */
2210 txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
2211 for (i = 0; i < 14; i++)
2212 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
2213
2214 /*
2215 * Initialize hw_mode information.
2216 */
2217 spec->num_modes = 2;
2218 spec->num_rates = 12;
2219 spec->tx_power_a = NULL;
2220 spec->tx_power_bg = txpower;
2221 spec->tx_power_default = DEFAULT_TXPOWER;
2222
2223 if (!test_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags)) {
2224 spec->num_channels = 14;
2225 spec->channels = rf_vals_noseq;
2226 } else {
2227 spec->num_channels = 14;
2228 spec->channels = rf_vals_seq;
2229 }
2230
2231 if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
2232 rt2x00_rf(&rt2x00dev->chip, RF5325)) {
2233 spec->num_modes = 3;
2234 spec->num_channels = ARRAY_SIZE(rf_vals_seq);
2235
2236 txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
2237 for (i = 0; i < 14; i++)
2238 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
2239
2240 spec->tx_power_a = txpower;
2241 }
2242 }
2243
2244 static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev)
2245 {
2246 int retval;
2247
2248 /*
2249 * Allocate eeprom data.
2250 */
2251 retval = rt61pci_validate_eeprom(rt2x00dev);
2252 if (retval)
2253 return retval;
2254
2255 retval = rt61pci_init_eeprom(rt2x00dev);
2256 if (retval)
2257 return retval;
2258
2259 /*
2260 * Initialize hw specifications.
2261 */
2262 rt61pci_probe_hw_mode(rt2x00dev);
2263
2264 /*
2265 * This device requires firmware
2266 */
2267 __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
2268
2269 /*
2270 * Set the rssi offset.
2271 */
2272 rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
2273
2274 return 0;
2275 }
2276
2277 /*
2278 * IEEE80211 stack callback functions.
2279 */
2280 static void rt61pci_configure_filter(struct ieee80211_hw *hw,
2281 unsigned int changed_flags,
2282 unsigned int *total_flags,
2283 int mc_count,
2284 struct dev_addr_list *mc_list)
2285 {
2286 struct rt2x00_dev *rt2x00dev = hw->priv;
2287 u32 reg;
2288
2289 /*
2290 * Mask off any flags we are going to ignore from
2291 * the total_flags field.
2292 */
2293 *total_flags &=
2294 FIF_ALLMULTI |
2295 FIF_FCSFAIL |
2296 FIF_PLCPFAIL |
2297 FIF_CONTROL |
2298 FIF_OTHER_BSS |
2299 FIF_PROMISC_IN_BSS;
2300
2301 /*
2302 * Apply some rules to the filters:
2303 * - Some filters imply different filters to be set.
2304 * - Some things we can't filter out at all.
2305 * - Multicast filter seems to kill broadcast traffic so never use it.
2306 */
2307 *total_flags |= FIF_ALLMULTI;
2308 if (*total_flags & FIF_OTHER_BSS ||
2309 *total_flags & FIF_PROMISC_IN_BSS)
2310 *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
2311
2312 /*
2313 * Check if there is any work left for us.
2314 */
2315 if (rt2x00dev->packet_filter == *total_flags)
2316 return;
2317 rt2x00dev->packet_filter = *total_flags;
2318
2319 /*
2320 * Start configuration steps.
2321 * Note that the version error will always be dropped
2322 * and broadcast frames will always be accepted since
2323 * there is no filter for it at this time.
2324 */
2325 rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
2326 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
2327 !(*total_flags & FIF_FCSFAIL));
2328 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
2329 !(*total_flags & FIF_PLCPFAIL));
2330 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
2331 !(*total_flags & FIF_CONTROL));
2332 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
2333 !(*total_flags & FIF_PROMISC_IN_BSS));
2334 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
2335 !(*total_flags & FIF_PROMISC_IN_BSS));
2336 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
2337 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
2338 !(*total_flags & FIF_ALLMULTI));
2339 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BORADCAST, 0);
2340 rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS, 1);
2341 rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
2342 }
2343
2344 static int rt61pci_set_retry_limit(struct ieee80211_hw *hw,
2345 u32 short_retry, u32 long_retry)
2346 {
2347 struct rt2x00_dev *rt2x00dev = hw->priv;
2348 u32 reg;
2349
2350 rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg);
2351 rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT, long_retry);
2352 rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT, short_retry);
2353 rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
2354
2355 return 0;
2356 }
2357
2358 static u64 rt61pci_get_tsf(struct ieee80211_hw *hw)
2359 {
2360 struct rt2x00_dev *rt2x00dev = hw->priv;
2361 u64 tsf;
2362 u32 reg;
2363
2364 rt2x00pci_register_read(rt2x00dev, TXRX_CSR13, &reg);
2365 tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
2366 rt2x00pci_register_read(rt2x00dev, TXRX_CSR12, &reg);
2367 tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
2368
2369 return tsf;
2370 }
2371
2372 static void rt61pci_reset_tsf(struct ieee80211_hw *hw)
2373 {
2374 struct rt2x00_dev *rt2x00dev = hw->priv;
2375
2376 rt2x00pci_register_write(rt2x00dev, TXRX_CSR12, 0);
2377 rt2x00pci_register_write(rt2x00dev, TXRX_CSR13, 0);
2378 }
2379
2380 static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
2381 struct ieee80211_tx_control *control)
2382 {
2383 struct rt2x00_dev *rt2x00dev = hw->priv;
2384 struct skb_desc *desc;
2385 struct data_ring *ring;
2386 struct data_entry *entry;
2387
2388 /*
2389 * Just in case the ieee80211 doesn't set this,
2390 * but we need this queue set for the descriptor
2391 * initialization.
2392 */
2393 control->queue = IEEE80211_TX_QUEUE_BEACON;
2394 ring = rt2x00lib_get_ring(rt2x00dev, control->queue);
2395 entry = rt2x00_get_data_entry(ring);
2396
2397 /*
2398 * We need to append the descriptor in front of the
2399 * beacon frame.
2400 */
2401 if (skb_headroom(skb) < TXD_DESC_SIZE) {
2402 if (pskb_expand_head(skb, TXD_DESC_SIZE, 0, GFP_ATOMIC)) {
2403 dev_kfree_skb(skb);
2404 return -ENOMEM;
2405 }
2406 }
2407
2408 /*
2409 * Add the descriptor in front of the skb.
2410 */
2411 skb_push(skb, ring->desc_size);
2412 memset(skb->data, 0, ring->desc_size);
2413
2414 /*
2415 * Fill in skb descriptor
2416 */
2417 desc = get_skb_desc(skb);
2418 desc->desc_len = ring->desc_size;
2419 desc->data_len = skb->len - ring->desc_size;
2420 desc->desc = skb->data;
2421 desc->data = skb->data + ring->desc_size;
2422 desc->ring = ring;
2423 desc->entry = entry;
2424
2425 rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
2426
2427 /*
2428 * Write entire beacon with descriptor to register,
2429 * and kick the beacon generator.
2430 */
2431 rt2x00pci_register_multiwrite(rt2x00dev, HW_BEACON_BASE0,
2432 skb->data, skb->len);
2433 rt61pci_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
2434
2435 return 0;
2436 }
2437
2438 static const struct ieee80211_ops rt61pci_mac80211_ops = {
2439 .tx = rt2x00mac_tx,
2440 .start = rt2x00mac_start,
2441 .stop = rt2x00mac_stop,
2442 .add_interface = rt2x00mac_add_interface,
2443 .remove_interface = rt2x00mac_remove_interface,
2444 .config = rt2x00mac_config,
2445 .config_interface = rt2x00mac_config_interface,
2446 .configure_filter = rt61pci_configure_filter,
2447 .get_stats = rt2x00mac_get_stats,
2448 .set_retry_limit = rt61pci_set_retry_limit,
2449 .bss_info_changed = rt2x00mac_bss_info_changed,
2450 .conf_tx = rt2x00mac_conf_tx,
2451 .get_tx_stats = rt2x00mac_get_tx_stats,
2452 .get_tsf = rt61pci_get_tsf,
2453 .reset_tsf = rt61pci_reset_tsf,
2454 .beacon_update = rt61pci_beacon_update,
2455 };
2456
2457 static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {
2458 .irq_handler = rt61pci_interrupt,
2459 .probe_hw = rt61pci_probe_hw,
2460 .get_firmware_name = rt61pci_get_firmware_name,
2461 .load_firmware = rt61pci_load_firmware,
2462 .initialize = rt2x00pci_initialize,
2463 .uninitialize = rt2x00pci_uninitialize,
2464 .init_rxentry = rt61pci_init_rxentry,
2465 .init_txentry = rt61pci_init_txentry,
2466 .set_device_state = rt61pci_set_device_state,
2467 .rfkill_poll = rt61pci_rfkill_poll,
2468 .link_stats = rt61pci_link_stats,
2469 .reset_tuner = rt61pci_reset_tuner,
2470 .link_tuner = rt61pci_link_tuner,
2471 .write_tx_desc = rt61pci_write_tx_desc,
2472 .write_tx_data = rt2x00pci_write_tx_data,
2473 .kick_tx_queue = rt61pci_kick_tx_queue,
2474 .fill_rxdone = rt61pci_fill_rxdone,
2475 .config_mac_addr = rt61pci_config_mac_addr,
2476 .config_bssid = rt61pci_config_bssid,
2477 .config_type = rt61pci_config_type,
2478 .config_preamble = rt61pci_config_preamble,
2479 .config = rt61pci_config,
2480 };
2481
2482 static const struct rt2x00_ops rt61pci_ops = {
2483 .name = KBUILD_MODNAME,
2484 .rxd_size = RXD_DESC_SIZE,
2485 .txd_size = TXD_DESC_SIZE,
2486 .eeprom_size = EEPROM_SIZE,
2487 .rf_size = RF_SIZE,
2488 .lib = &rt61pci_rt2x00_ops,
2489 .hw = &rt61pci_mac80211_ops,
2490 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2491 .debugfs = &rt61pci_rt2x00debug,
2492 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2493 };
2494
2495 /*
2496 * RT61pci module information.
2497 */
2498 static struct pci_device_id rt61pci_device_table[] = {
2499 /* RT2561s */
2500 { PCI_DEVICE(0x1814, 0x0301), PCI_DEVICE_DATA(&rt61pci_ops) },
2501 /* RT2561 v2 */
2502 { PCI_DEVICE(0x1814, 0x0302), PCI_DEVICE_DATA(&rt61pci_ops) },
2503 /* RT2661 */
2504 { PCI_DEVICE(0x1814, 0x0401), PCI_DEVICE_DATA(&rt61pci_ops) },
2505 { 0, }
2506 };
2507
2508 MODULE_AUTHOR(DRV_PROJECT);
2509 MODULE_VERSION(DRV_VERSION);
2510 MODULE_DESCRIPTION("Ralink RT61 PCI & PCMCIA Wireless LAN driver.");
2511 MODULE_SUPPORTED_DEVICE("Ralink RT2561, RT2561s & RT2661 "
2512 "PCI & PCMCIA chipset based cards");
2513 MODULE_DEVICE_TABLE(pci, rt61pci_device_table);
2514 MODULE_FIRMWARE(FIRMWARE_RT2561);
2515 MODULE_FIRMWARE(FIRMWARE_RT2561s);
2516 MODULE_FIRMWARE(FIRMWARE_RT2661);
2517 MODULE_LICENSE("GPL");
2518
2519 static struct pci_driver rt61pci_driver = {
2520 .name = KBUILD_MODNAME,
2521 .id_table = rt61pci_device_table,
2522 .probe = rt2x00pci_probe,
2523 .remove = __devexit_p(rt2x00pci_remove),
2524 .suspend = rt2x00pci_suspend,
2525 .resume = rt2x00pci_resume,
2526 };
2527
2528 static int __init rt61pci_init(void)
2529 {
2530 return pci_register_driver(&rt61pci_driver);
2531 }
2532
2533 static void __exit rt61pci_exit(void)
2534 {
2535 pci_unregister_driver(&rt61pci_driver);
2536 }
2537
2538 module_init(rt61pci_init);
2539 module_exit(rt61pci_exit);
WRT350N Kernel Patches